Window sash locks



1966 M. J. GOUGH ETAL WINDOW SASH LOCKS 2 Sheets-Sheet 1 Filed Aug. 5,1965 INVENTORS MART/N d- Gal/WI MAR/0N E. GOUG-H ATTURNE.

Nov. 29, 1966 J. GOUGH ETAL 3,28%,5W

WINDOW SASH LOCKS Filed Aug. 3, 1965 2 Sheets-Sheet Z IJ IIIII I V EIIJJIIIIIIIII I /INVENTOR United States Patent 3,288,510 WINDOW SASHLOCKS Martin J. Gough and Marion E. Gough, both of 35-30 94th St.,Jackson Heights, N.Y. Filed Aug. 3, 1965, Ser. No. 476,917 1 Claim. (Cl.292--251) This invention relates specifically to new and usefulimprovements in window sash locks.

Heretofore, the sashes in a window have been locked by means of arotatable member secured to one of the sashes which has been providedwith a cam surface engageable with a latch or locking member on theother of the sashes. Such lock-ing means is usually placed on theoppositely disposed members of the sash frames where it is conspicuousfrom the outside of the window. Such a device is therefore notburglarproof and is extremely objectionable for this reason.

A primary object of the present invention is to provide a novel lockthat is adapted to be readily mounted on the frame members of windowsashes or the like, which is burglarproof and cannot be manipulated oroperated from the exterior of the window sashes.

Another object of the invention is to provide a locking device forsashes of a double hung window which is invisible from the exterior ofthe window and substantially invisible from the interior.

A further object of the invention is to provide a looking device forsashes of a double hung window which is normally operated with a tooland which is adapted to draw the frame members of the sashes together toprovide an effective weatherproof joint between the same.

Yet another object of the invention is to provide a novel locking devicefor window sashes which, when operated, is automatically released fromits locking engagement with these sashes so that the same may be movedrelative to one another.

It is also proposed to provide a locking device for window sashes thatis invisible from outside the window, one which quickly and easily drawsthe sashes together to provide a weather-tight joint therebetween andone which permits easier cleaning of the window inasmuch as the same issubstantially entirely closed and is not in the way of the individualperforming of this operation.

For further comprehension of the invention and of the objects andadvantages thereof, reference will be had to the following descriptionand accompanying drawings and to the appended claim in which the variousnovel features of the invention are particularly set forth.

In the accompanying drawings forming a material part of this disclosure:

FIGURE 1 is a perspective view of the meeting rails of a sliding sashwindow having a locking device embodying one form of the inventionapplied thereto.

FIG. 2 is an enlarged vertical sectional view taken on the plane of theline 22 of FIG. 1.

FIG. 3 is a spread perspective view showing the locking components inposition preparatory to insertion into the sashes.

FIG. 4 is a spread perspective view of a modified form of lockingdevice.

FIG. 5 is a vertical sectional view through a meeting rail showing thelocking device of FIG. 4 being applied thereto.

FIG. 6 is a view similar to FIG. 1 showing the locking device of FIG. 4applied thereto.

FIG. 7 is a part sectional and part elevational view of another modifiedform of locking device, the device being shown applied to meeting railsof window sashes in dash lines.

FIG. 8 is a view similar to FIG. 1 showing yet another modified form oflocking device.

I tion 28 of the opening as seen in FIG. 1.

3,288,510 Patented Nov. 29, 1966 FIG. 9 is a spread perspective view ofsome of the components of the locking device of FIG. 8.

FIG. 10 is a sectional view of one of the components of the lockingdevice of FIG. 8.

FIG. 11 is a sectional view similar to FIG. 2 showing the toolpreparatory to being inserted into the locking device of FIG. 8.

Referring now more in detail to the various views of the drawings, andmore particularly to FIGS. 1 to 3, inclusive, a locking device 10 madein accordance with one form of the invention is shown in associationwith sashes 12 and 14 of a wooden window construction. The sashes haveoppositely disposed frame members 16 and 18, respectively.

The frame member 16 of the upper sash 12 is formed with an elongatedround recess 20 intersecting the inner surface of the frame member 16 atthe bottom right hand corner as viewed in FIG. 1. A metal bushing orsleeve 22 with external and internal screw threads is threaded into therecess 20. The bushing or sleeve is formed with a slotted end 24 toreceive a tool for driving the bushing in to the recess or forWithdrawing the same.

The frame member 18 of the bottom sash is formed with an opening 26extending therethrough at the top right hand corner thereof. The innerend of the opening is countersunk as indicated at 28. An elongated screw30 extends through the opening 26 and is threaded into the bushing orsleeve 22. When the screw is driven home, its slotted head 32 seats inthe countersunk por- The screw 30 coacting with the bushing or sleeve 22locks the frames of the sashes to each other and draws the frames of thesashes to each other thereby providing a weatherproof joint. When thelocking device is in locking position, only the head 32 is visible fromthe inside of the room and is not visible from outside the window. Onlya screw driver is needed to lock and unlock the sashes.

It will be seen from FIG. 1, that the locking device 10 is out of sightand out of reach of the hand of an unauthorized person as shown by thearrow 34.

In FIGS. 4-6, a modified form of locking device 10' is shown comprisinga bushing or sleeve 22 and a screw 30'. The bushing 22' diifers from thebushing 22 of FIG. 2 in that one end of the body of the bushing isclosed by a wall and the other end is solid and not slotted. The screw30' instead of having a slotted fiat head as shown in FIG. 1 has-a wingnut 38 for turning the screw.

In use, the bushing or sleeve 22' is driven home in the recess 20 bymeans of the screw 30, the threaded end of the screw adapted to engagethe closure wall 36 and force the bushing inwardly while it turns thesame. After the bushing is driven home, the screw 30' is withdrawn andthe frames 16' and 18 juxtaposed, with the opening in the frame 18 inline with the recess 20" in the frame 16', whereupon the screw 30' isinserted through the opening in the frame 18' and into the bushing orsleeve 22' thereby locking the frames and drawing the frames toward eachother in weathertight position.

FIG. 7 illustrates a modified form of locking device 10 which diifersfrom the locking device 10 merely in the construction of the screw 30".The screw 30" has a smooth shank portion 40 and an axial extension 42 ofreduced diameter and threaded, the shoulder 44 formed by the juncture ofthe shank and extension limiting the inward movement of the screw intothe bushing or sleeve 22".

In FIGS. 8 to 11, inclusive, a further modified form of locking device1011 is shown locking the sash frames 16a and 18a. The locking device1011 consists of a bushing or sleeve 22a similar to sleeve 22 in recess20a in frame 16a, sleeve 22a and a screw 30a. The sleeve 22a is similarto sleeve 22 and is positioned in the recess 20a in the frame 16a. Thescrew 30a is hollow and is formed with opposed semi-circular notches 48in the slot 50 formed in its head 32a.

In use, when the screw 30a is driven home as shown in FIGS. 8 and 11,the frames 16a and 18a are locked to each other.

The invention contemplates a tool 52 for driving the screw 30a home. Thetool has an elongated solid cylindrical body 54 formed with an axialbore 56 intersecting one end edge of the body and with an elongated slot58 intersecting said end edge and bore. A pin 60 is hingedly mounted atthe slotted end and is adapted to extend later-ally of the shank and toseat in said slot. The other end of the body is shaped to form a screwdriver edge 62 adapted to fit in the slot 50 of the screw 30a forturning said screw.

In use, when the locking device a is in operative position locking theframes 16a and 18a as shown in FIG. 8, the tool 52 is stored away in thehollow body of the screw 30a, the pin 60 having first been swung intoits seat in the slot 58 in the tool 52, and the tool slid through thehollow body of the screw until its screw driver edge 62 is seated in theslot 50 of the head of the screw. A detent 64 is formed in the body ofthe tool 52 in order to prevent displacement thereof. When it is desiredto turn the screw 30a, the tool 52 is withdrawn, the pin 60 extendedlaterally and the screw driver edge 62 fitted into the slot 50 as shownin FIG. 11. Whereupon by turning the tool by means of the pin 60, thescrew 30a is advanced or retracted as will be understood.

From the foregoing, it will be seen that we have provided a lockingdevice for sash frames of double hung windows which fully accomplishesits intended objects and is well adapted to meet practical conditions ofmanufacture, installation and use.

While we have illustrated and described the preferred embodiments of ourinvention, it is to be understood that we do not limit ourselves to theprecise constructions herein disclosed and that various changes andmodifications may be made within the scope of the invention as definedin the appended claim.

What is claimed is:

A locking device for windows, comprising an internally and externallyscrew threaded sleeve member adapted to be mounted in a recess in aframe member of a window sash, said sleeve member having a slotted end,an elongated hollow screw member adapted to be mounted in an opening inan oppositely disposed frame member of another window sash, a head onone end of the screw member, said head having a cross slot communicatingwith the hollow interior of the screw, and a tool for actuating saidscrew normally removably mounted in the hollow interior thereof, saidtool having a hollow cylindrical body with a slot intersecting one endthereof, a pin hingedly and slidably carried by the body at the slottedend adapted to be swung through said slot to an axial position in thebody and to a position at right angles to the body to serve as a handle,the other end of the body being closed and formed with a screw driveredge for insertion into the cross slot in the head of the screw when thetool is'removed from the interior of the body of the screw.

References Cited by the Examiner UNITED STATES PATENTS 632,187 8/1899Joyce 292-251 710,896 10/1902 Samson -90 X 864,363 8/ 1907 Fisher292-251 959,150 5/1910 Morris 70-90 979,430 12/1910 Church et al 292-251X 1,251,676 1/1918 McCaffray. 2,572,444 10/1951 Carden -61 2,639,179 5/1953 Phelps 292251 2,837,905 6/1958 Wroughton 70-14 X EDWARD C. ALLEN,Primary Examiner.

R. E. MOORE, Assistant Examiner.

